253683764 has 12 divisors (see below), whose sum is σ = 459255300. Its totient is φ = 122467968.

The previous prime is 253683761. The next prime is 253683779. The reversal of 253683764 is 467386352.

It can be written as a sum of positive squares in 2 ways, for example, as 57123364 + 196560400 = 7558^2 + 14020^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253683761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1093349 + ... + 1093580.

It is an arithmetic number, because the mean of its divisors is an integer number (38271275).

Almost surely, 2^253683764 is an apocalyptic number.

It is an amenable number.

253683764 is a deficient number, since it is larger than the sum of its proper divisors (205571536).

253683764 is a wasteful number, since it uses less digits than its factorization.

253683764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186962 (or 2186960 counting only the distinct ones).

The product of its digits is 725760, while the sum is 44.

The square root of 253683764 is about 15927.4531548518. The cubic root of 253683764 is about 633.0396184399.

The spelling of 253683764 in words is "two hundred fifty-three million, six hundred eighty-three thousand, seven hundred sixty-four".